Trace number 2674564

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjective functionCPU timeWall clock time
PBPASSolver 2010-06-13? (MO) 68.37 68.4139

General information on the benchmark

Namenormalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-air02.opb
MD5SUM3f00532e02ccc246cb25b1a4f0a837d4
Bench CategoryOPT-MEDINT (optimisation, medium integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark4492
Best CPU time to get the best result obtained on this benchmark1800.31
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3905
Optimality of the best value was proved YES
Number of variables6774
Total number of constraints50
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)50
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint3729
Number of terms in the objective function 6774
Biggest coefficient in the objective function 4804
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 6613094
Number of bits of the sum of numbers in the objective function 23
Biggest number in a constraint 4804
Number of bits of the biggest number in a constraint 13
Biggest sum of numbers in a constraint 6613094
Number of bits of the biggest sum of numbers23
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data


Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2674564-1276792283/watcher-2674564-1276792283 -o /tmp/evaluation-result-2674564-1276792283/solver-2674564-1276792283 -C 1800 -W 2000 -M 1800 run HOME/instance-2674564-1276792283.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.06 1.00 0.97 3/106 20729
/proc/meminfo: memFree=1851576/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0

[startup+0.082596 s]
/proc/loadavg: 1.06 1.00 0.97 3/106 20729
/proc/meminfo: memFree=1851576/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.100597 s]
/proc/loadavg: 1.06 1.00 0.97 3/106 20729
/proc/meminfo: memFree=1851576/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.300635 s]
/proc/loadavg: 1.06 1.00 0.97 3/106 20729
/proc/meminfo: memFree=1851576/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700682 s]
/proc/loadavg: 1.06 1.00 0.97 3/106 20729
/proc/meminfo: memFree=1851576/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50076 s]
/proc/loadavg: 1.06 1.00 0.97 2/108 20732
/proc/meminfo: memFree=1663700/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=278980 CPUtime=1.49
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 69564 0 0 0 62 87 0 0 25 0 1 0 54832291 285675520 69150 1992294400 134512640 134902295 4292379440 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 69745 69158 256 96 0 68957 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 287680

[startup+3.10095 s]
/proc/loadavg: 1.06 1.00 0.97 2/108 20732
/proc/meminfo: memFree=1472120/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=530916 CPUtime=3.08
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 132970 0 0 0 136 172 0 0 25 0 1 0 54832291 543657984 132139 1992294400 134512640 134902295 4292379440 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 132729 132139 256 96 0 131941 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 539616

[startup+6.30132 s]
/proc/loadavg: 1.05 1.00 0.97 2/108 20732
/proc/meminfo: memFree=1106072/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=694672 CPUtime=6.28
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 191151 0 0 0 401 227 0 0 25 0 1 0 54832291 711344128 172819 1992294400 134512640 134902295 4292379440 18446744073709551615 4621820 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 173668 172819 262 96 0 172880 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 703372

[startup+12.7011 s]
/proc/loadavg: 1.05 1.00 0.97 2/108 20732
/proc/meminfo: memFree=1058456/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=808732 CPUtime=12.68
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 223799 0 0 0 1025 243 0 0 25 0 1 0 54832291 828141568 200167 1992294400 134512640 134902295 4292379440 18446744073709551615 134635537 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 202183 200167 262 96 0 201395 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 817432

[startup+25.5006 s]
/proc/loadavg: 1.04 1.00 0.97 2/108 20732
/proc/meminfo: memFree=834760/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=1039828 CPUtime=25.47
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 286161 0 0 0 2276 271 0 0 25 0 1 0 54832291 1064783872 255052 1992294400 134512640 134902295 4292379440 18446744073709551615 134630994 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 259957 255052 262 96 0 259169 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 1048528

[startup+51.1006 s]
/proc/loadavg: 1.08 1.01 0.98 2/108 20732
/proc/meminfo: memFree=353640/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=1546392 CPUtime=51.07
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 407497 0 0 0 4786 321 0 0 25 0 1 0 54832291 1583505408 376332 1992294400 134512640 134902295 4292379440 18446744073709551615 134815757 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 386598 376332 262 96 0 385810 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 1555092



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+68.4006 s]
/proc/loadavg: 1.06 1.01 0.98 2/108 20734
/proc/meminfo: memFree=83692/2059040 swapFree=4136140/4192956
[pid=20729] ppid=20727 vsize=8700 CPUtime=0
/proc/20729/stat : 20729 (run) S 20727 20729 20267 0 -1 4202496 389 134 0 0 0 0 0 0 20 0 1 0 54832291 8908800 251 1992294400 4194304 4922060 140735888083408 18446744073709551615 248552987781 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/20729/statm: 2175 251 211 178 0 68 0
[pid=20731] ppid=20729 vsize=1835664 CPUtime=68.37
/proc/20731/stat : 20731 (PBPASSolver) R 20729 20729 20267 0 -1 4202496 485171 0 0 0 6481 356 0 0 25 0 1 0 54832291 1879719936 441182 1992294400 134512640 134902295 4292379440 18446744073709551615 4160134052 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/20731/statm: 458916 441182 262 96 0 458128 0
Current children cumulated CPU time (s) 68.37
Current children cumulated vsize (KiB) 1844364

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

Solver just ended. Dumping a history of the last processes samples

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 20729 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=0
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=2999
# CPU time returned by wait4() is 0.002999
# while last known CPU time is 68.37
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 68.4139
CPU time (s): 68.37
CPU user time (s): 64.81
CPU system time (s): 3.56
CPU usage (%): 99.9358
Max. virtual memory (cumulated for all children) (KiB): 1844364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 523
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 3
involuntary context switches= 3

runsolver used 0.109983 second user time and 0.343947 second system time

The end

Launcher Data 

Begin job on node001 at 2010-06-17 18:31:23
IDJOB=2674564
IDBENCH=1510
IDSOLVER=1174
FILE ID=node001/2674564-1276792283
PBS_JOBID= 11176626
Free space on /tmp= 62512 MiB

SOLVER NAME= PBPASSolver 2010-06-13
BENCH NAME= PB06//final/normalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-air02.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2674564-1276792283/watcher-2674564-1276792283 -o /tmp/evaluation-result-2674564-1276792283/solver-2674564-1276792283 -C 1800 -W 2000 -M 1800  run HOME/instance-2674564-1276792283.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 3f00532e02ccc246cb25b1a4f0a837d4
RANDOM SEED=1849338523

node001.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.202
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.202
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1851972 kB
Buffers:         31812 kB
Cached:          82908 kB
SwapCached:       9352 kB
Active:           8040 kB
Inactive:       119172 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1851972 kB
SwapTotal:     4192956 kB
SwapFree:      4136140 kB
Dirty:            1444 kB
Writeback:           8 kB
AnonPages:       10900 kB
Mapped:           9276 kB
Slab:            57928 kB
PageTables:       3988 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181116 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62512 MiB
End job on node001 at 2010-06-17 18:32:33